Merge pull request 'fix-price' (#78) from fix-price into test

Reviewed-on: https://git.oa00.com/recook/backend_v2/pulls/78

internal/api/mobile/order/submit.go

@@ -386,8 +386,9 @@ func JdOrderSubmit(tx *gorm.DB, ip string, data map[uint][]order_preview.GoodsDe
 					}
 				}
 			}()
+			return jcook.OrderSubmitResp{}, errors.New("价格变动，请重新下单")
 		}
-		return jcook.OrderSubmitResp{}, errors.New("价格变动，请重新下单")
+		return jcook.OrderSubmitResp{}, err
 	}
 	return resp, nil
 }